Bridgestone e12 Speed Golf BallsBridgestone e12 Speed Golf Balls Fit Your Flight, Maximize Your Distance The all new e12 Speed is part of the Bridgestone e12 Optimal Flight System, engineered to help golfers optimize their launch conditions and achieve longer, more penetrating ball flight. With insights from millions of ball fittings, Bridgestone has developed the e12 series to maximize distance, with the e12 Speed delivering a faster, piercing trajectory for increased overall